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Date:   Mon, 31 Oct 2016 00:42:35 +0800
From:   Xin Long <>
To:     network dev <>,
        Marcelo Ricardo Leitner <>,
        Vlad Yasevich <>,
        Neil Horman <>
Subject: [PATCHv2 net] sctp: return back transport in __sctp_rcv_init_lookup

Prior to this patch, it used a local variable to save the transport that is
looked up by __sctp_lookup_association(), and didn't return it back. But in
sctp_rcv, it is used to initialize chunk->transport. So when hitting this,
even if it found the transport, it was still initializing chunk->transport
with null instead.

This patch is to return the transport back through transport pointer
that is from __sctp_rcv_lookup_harder().

Signed-off-by: Xin Long <>
 net/sctp/input.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/sctp/input.c b/net/sctp/input.c
index a2ea1d1..8e0bc58 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1021,7 +1021,6 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct net *net,
 	struct sctphdr *sh = sctp_hdr(skb);
 	union sctp_params params;
 	sctp_init_chunk_t *init;
-	struct sctp_transport *transport;
 	struct sctp_af *af;
@@ -1052,7 +1051,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct net *net,
 		af->from_addr_param(paddr, params.addr, sh->source, 0);
-		asoc = __sctp_lookup_association(net, laddr, paddr, &transport);
+		asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
 		if (asoc)
 			return asoc;

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